71621820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{14737}}^1$

素因数の和:14761

約数の個数: 72

約数和(自身を含む): 225314544

約数和(自身を除く): 153692724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 14737, 29474, 44211, 58948, 73685, 88422, 132633, 147370, 176844, 221055, 265266, 294740, 397899, 442110, 530532, 663165, 795798, 884220, 1193697, 1326330, 1591596, 1989495, 2387394, 2652660, 3581091, 3978990, 4774788, 5968485, 7162182, 7957980, 11936970, 14324364, 17905455, 23873940, 35810910, 71621820]

約数ペア:

[(1, 71621820), (2, 35810910), (3, 23873940), (4, 17905455), (5, 14324364), (6, 11936970), (9, 7957980), (10, 7162182), (12, 5968485), (15, 4774788), (18, 3978990), (20, 3581091), (27, 2652660), (30, 2387394), (36, 1989495), (45, 1591596), (54, 1326330), (60, 1193697), (81, 884220), (90, 795798), (108, 663165), (135, 530532), (162, 442110), (180, 397899), (243, 294740), (270, 265266), (324, 221055), (405, 176844), (486, 147370), (540, 132633), (810, 88422), (972, 73685), (1215, 58948), (1620, 44211), (2430, 29474), (4860, 14737)]